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Thunderhead vs Undefined - What's the difference?

thunderhead | undefined |

As a noun thunderhead

is the top portion of a cumulonimbus cloud, which tend to be flattened or fibery in appearance, and which may be indicative of thunderstorm activity.

As an adjective undefined is

lacking a definition or value.

thunderhead

English

Noun

(en noun) (Cumulonimbus cloud)
  • The top portion of a cumulonimbus cloud, which tend to be flattened or fibery in appearance, and which may be indicative of thunderstorm activity.

    • undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined